Open Access

Table III

Studies included in the quantitative analysis M/F: Male/Female.

Articles Study type Serum/salivary leptin Age Sex: M/F BMI Group size



      Case Controls   Case Controls Case Controls
Purwar
Acta Odontologia Scandinavica
2015
case–control Serum/saliva 35 60 24/20 20.45 ± 1.23 20.82 ± 1.67 22 22
Purwar
Journal of Periodontology 2015
case–control Serum/saliva 49.3 49.9 49/35 20.62 20.69 44 40
Karthikeyan
Journal of Clinical Periodontology
2006
case–control Serum/saliva 30–39 21/21 Normal BMI < 30 14 14
Karthikeyan
Journal of Periodontal Research 2007
case–control Salivary 37.2 20/15 Normal BMI < 30 15 15

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